Regulations last checked for updates: May 09, 2024

Title 40 - Protection of Environment last revised: Jun 26, 2024
§ 426.52 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

Except as provided in §§ 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):

Effluent characteristic Effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days shall not exceed—
Metric units (q/kkg of product)
TSS2.002.00
Oil1.401.40
Phosphorus0.05.05
pH( 1)( 1)
English units (lb/ton of product)
TSS0.00400.0040
Oil0.0028.0028
Phosphorus0.0001.0001
pH( 1)( 1)

1 Within the range 6.0 to 9.0.

[39 FR 5714, Feb. 14, 1974, as amended at 60 FR 33958, June 29, 1995]
authority: Secs. 301, 304 (b) and (c), 306 (b) and (c), 307(c), and 316(b) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251,1311,1314,1316,1317; 86 Stat. 816
source: 39 FR 2565, Jan. 22, 1974, unless otherwise noted.
cite as: 40 CFR 426.52